Every once in a while, you'll hear a bell ding and see the old red truck chugging up the block.
But, this isn't an ice cream truck. Instead, Del Re's Grinding Truck is a mobile knife grinding business. Del Re sharpens everything from knives, to scissors to lawnmower blades.
Although Del Re said he doesn't do interviews any more, to read a profile on him check out this article from The New York Times.
New York City used to have many mobile knife grinders, but now it is a fading business.